4TK2:
reference: Molecular basis of the alternative recruitment of GABAA versus glycine receptors through gephyrin., Maric HM, Kasaragod VB, Hausrat TJ, Kneussel M, Tretter V, Stromgaard K, Schindelin H, Nat Commun. 2014 Dec 22;5:5767. doi: 10.1038/ncomms6767. PMID: 25531214

This OCA Structure page
uses Jmol, developed by the Jmol Development Team (documentation).